Random exchange-type electro-optic behavior of Pb0.865La 0.09(Zr0.65Ti0.35)O3 relaxor ferroelectrics

Dal Young Kim; Jong Jin Choi; Hyoun Ee Kim

doi:10.1063/1.1496132

Random exchange-type electro-optic behavior of Pb_0.865La _0.09(Zr_0.65Ti_0.35)O₃ relaxor ferroelectrics

Dal Young Kim, Jong Jin Choi, Hyoun Ee Kim

Dept. of Optometry

Seoul National University

Research output: Contribution to journal › Article › peer-review

10 Scopus citations

Abstract

Random exchange nature of Pb_0.865La_0.09(Zr _0.65Ti_0.35)O₃ relaxor ferroelectrics was revealed by electro-optic study. Time decay behavior of birefringence was measured after switching off the external bias field, and showed random exchange-type behavior. Specific heat behavior was also obtained from the temperature derivatives of birefringence, and its critical exponent was α=-0.09 as predicted by the random exchange Ising model. We think the random exchange interaction is induced by nonpolar La ions and vacancies.

Original language	English
Pages (from-to)	706-708
Number of pages	3
Journal	Applied Physics Letters
Volume	81
Issue number	4
DOIs	https://doi.org/10.1063/1.1496132
State	Published - 22 Jul 2002

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abstract = "Random exchange nature of Pb0.865La0.09(Zr 0.65Ti0.35)O3 relaxor ferroelectrics was revealed by electro-optic study. Time decay behavior of birefringence was measured after switching off the external bias field, and showed random exchange-type behavior. Specific heat behavior was also obtained from the temperature derivatives of birefringence, and its critical exponent was α=-0.09 as predicted by the random exchange Ising model. We think the random exchange interaction is induced by nonpolar La ions and vacancies.",

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AU - Choi, Jong Jin

AU - Kim, Hyoun Ee

PY - 2002/7/22

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N2 - Random exchange nature of Pb0.865La0.09(Zr 0.65Ti0.35)O3 relaxor ferroelectrics was revealed by electro-optic study. Time decay behavior of birefringence was measured after switching off the external bias field, and showed random exchange-type behavior. Specific heat behavior was also obtained from the temperature derivatives of birefringence, and its critical exponent was α=-0.09 as predicted by the random exchange Ising model. We think the random exchange interaction is induced by nonpolar La ions and vacancies.

AB - Random exchange nature of Pb0.865La0.09(Zr 0.65Ti0.35)O3 relaxor ferroelectrics was revealed by electro-optic study. Time decay behavior of birefringence was measured after switching off the external bias field, and showed random exchange-type behavior. Specific heat behavior was also obtained from the temperature derivatives of birefringence, and its critical exponent was α=-0.09 as predicted by the random exchange Ising model. We think the random exchange interaction is induced by nonpolar La ions and vacancies.

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Random exchange-type electro-optic behavior of Pb_0.865La _0.09(Zr_0.65Ti_0.35)O₃ relaxor ferroelectrics

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